Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Installation
1. NOTE: Inspect the spring insulators for wear or damage. Install new
spring insulators if
necessary.
Make sure the spring insulators are correctly installed on the springs.
2. Install the springs.
1. Position the springs.
2. Raise the subframe using ...
Caliper
1. NOTE: It is not necessary to do a complete brake system
bleed if only the disc brake caliper
(2B120) was disconnected.
Place a box end wrench on the disc brake caliper bleeder screw (2208).
Attach a rubber drain
tube to the disc brake caliper b ...
Fastening the safety belts
The front outboard and rear safety restraints in your vehicle are
combination lap and shoulder belts.
The presenter arm (available on the coupe only) is intended to improve
access to the safety belt and to allow access to the rear seat.
Rotate the presenter ...
